1. They were repairing this house all the morning yesterday.
. This house was being repaired all the morning yesterday ( by them).
2. They were watching T.V when I came.
TV was being watched when I came.
3. Tom was planting trees at 4 o'clock yesterday afternoon.
Trees were being plant at 4 o’clock yesterday afternoon by Tom.
4. Our teacher was asking us many questions when the principal came.
Many questions were being asked by our teacher when the principal came.
5. She was cleaning the floor at this time yesterday.
The floor was being cleaned at this time yesterday by her.
6. They were building this bridge when we came.
This bridge was being built when we came.
7. Mr.Brown was taking his children to the zoo at 7 o'clock last Sunday.
His children were being taken to the zoo at 7 o’clock last Sunday by Mr. Brown.
8. Workers were filling the holes in the yard at this time yesterday.
The holes were being filled in the yard at this time yesterday by workers.